Other well-known mechanisms

Crank-rod mechanism

Degenerate case of a four-bar linkage: one crank lies at infinity. Application: engine crankshaft.

Centric:

Eccentric:

Quick return mechanism

Whitworth’s quick return mechanism. Useful in brush operations, etc.

Ginebra wheel

Convert a constant rotatory motion into an intermittent motion. Note that the kinematics pairs form and destroy as the two bodies get in touch and separate from each other.